Grissues : 'girl issues'.
Any female problem/s usually arising as a result of PMS, sickness, bitchiness or drunkeness.
It should be noted that grissues can often be used as a false excuse when somebody is trying to get themselves out of a situation.
John: Dude where did you n Joanne disappear to at the party last night?
Mike: Grissues!
John: Say no more...